More than likely your problem is that your Exchange server is set for
circular loggining. With this set, you must do FULL backups each time. You
can do INC/DIFF backups if you disable circular logging on the Exchange
server.


-Matt

"Bill" wrote in message news:3bd1c9f0$1@hronntp01....
>
> hi,
> recently i decided to perform incremental backups every two hours during
> a daily time frame. i turned off circular logging on IS & DS. but i now am
> getting these errors in my logs. could someone explain what i am doing
incorrectly
> and how i can correct it? thanks, Bill
>
> =====================
> Unable to attach to \\SERVER\Microsoft Exchange Information Store.
> NEWFS_EMS_NO_LOG_BKUP
>
>
> ^ ^ ^ ^ ^
> Incremental and differential backups are not possible, because one or more
> of the Microsoft Exchange transaction log files has been deleted since the
> last backup.
> ^ ^ ^ ^ ^
> =====================